Changing beam thickness and spacing
To make beams thicker or thinner alter the Beam.beam-thickness
property. To adjust the spacing between beams alter the
Beam.length-fraction
property.
\relative f' {
\time 1/8
\override Beam.beam-thickness = #0.4
\override Beam.length-fraction = #0.8
c32 c c c
\revert Beam.beam-thickness % 0.48 is default thickness
\revert Beam.length-fraction % 1.0 is default spacing
c32 c c c
\override Beam.beam-thickness = #0.6
\override Beam.length-fraction = #1.3
c32 c c c
}